Thomas M. Siebel - 11 Sep 2025 Form 4 Insider Report for C3.ai, Inc. (AI)

Role: Executive Chairman, Director, 10%+ Owner
Signature: /s/ Andrew Thomases, Attorney-in-Fact
Issuer symbol: AI
Transactions as of: 11 Sep 2025
Transactions value $: -$1,502,360
Form type: 4
Date filed: 15 Sep 2025, 16:56
Previous filing: 03 Sep 2025
Next filing: 17 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SIEBEL THOMAS M	Executive Chairman, Director, 10%+ Owner	C/O C3.AI, INC., 1400 SEAPORT BLVD, REDWOOD CITY	/s/ Andrew Thomases, Attorney-in-Fact	2025-09-15	0001031530

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AI	Class A Common Stock	Options Exercise		+179K			179K	11 Sep 2025	Direct	F1
transaction	AI	Class A Common Stock	Sale	-$1.5M	-92K	-51.36%	$16.33	87.1K	12 Sep 2025	Direct	F2, F3
transaction	AI	Class A Common Stock	Gift	$0	-87.1K	-100%	$0.00	0	15 Sep 2025	Direct
transaction	AI	Class A Common Stock	Gift	$0	+87.1K	+2.91%	$0.00	3.08M	15 Sep 2025	See Footnote	F4
holding	AI	Class A Common Stock						9.22K	11 Sep 2025	See Footnote	F5
holding	AI	Class A Common Stock						170K	11 Sep 2025	See Footnote	F6
holding	AI	Class A Common Stock						72.7K	11 Sep 2025	See Footnote	F7
holding	AI	Class A Common Stock						1.24M	11 Sep 2025	See Footnote	F8

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AI	Restricted Stock Units	Options Exercise	$0	-179K	-33.33%	$0.00	358K	11 Sep 2025	Class A Common Stock	179K		Direct	F1, F9

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.
F2	Pursuant to the Issuer's policies and practice, these shares of Class A Common Stock were automatically withheld and sold by the Issuer to satisfy the Reporting Person's tax withholding obligations related to the vesting of RSUs reported herein.
F3	The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $16.235 to $16.41, inclusive. The Reporting Person will provide upon request to the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F4	The shares are held by The Siebel Living Trust u/a/d 7/27/93, as amended, of which the Reporting Person is trustee.
F5	The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman.
F6	The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.
F7	The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.
F8	The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee.
F9	1/3rd of the RSUs shall vest on September 11, 2025 and 1/12th of the RSUs shall vest quarterly thereafter, so long as the Reporting Person continues to provide services through such vesting date.